Scandium-frame N-frame .44 Magnum with concealed hammer, XS tritium night sight, and Crimson Trace Lasergrips in Night Guard configuration. The most powerful revolver in the Night Guard series — .44 Magnum from a DAO scandium frame is extremely difficult to manage but maximizes defensive capability. Type: Revolver Action: Double-Action Only Caliber: 44 Magnum Capacity: 6 Year introduced: 2008, USA Weight: 30 oz Overall length: 7.5" Status: Discontinued Intended use: Home Defense